Home / 51,641.20-77,461.80-16,584.40

Finding the Fourth Proportional to 51,641.20, 77,461.80 and 16,584.40

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Solution

The fourth proportional to 51,641.20, 77,461.80 and 16,584.40 is: 24,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,641.20 : 77,461.80 = 16,584.40 : x
  2. Step 2: Convert to fraction form
    51,641.20/77,461.80 = 16,584.40/x
  3. Step 3: Cross multiply
    51,641.20x = 77,461.80 × 16,584.40
  4. Step 4: Simplify right side
    51,641.20x = 1,284,657,475.92
  5. Step 5: Solve for x
    x = 1,284,657,475.92/51,641.20
  6. Step 6: Final answer
    x = 24,876.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.